<template>
  <div class="login-container">
    <!-- 导航栏 -->
    <van-nav-bar class="page-nav-bar" title="登录" />
    <!-- /导航栏 -->

    <!-- 登录表单 -->
    <van-form @submit="onSubmit">
      <van-field
        v-model="user.mobile"
        name="手机号"
        placeholder="请输入手机号"
        :rules="userFormRules.mobile"
        type="number"
        maxlength="11"
      >
        <i slot="left-icon" class="toutiao toutiao-shouji"></i>
      </van-field>
      <van-field
        v-model="user.code"
        name="验证码"
        placeholder="请输入验证码"
        :rules="userFormRules.code"
        type="number"
        maxlength="6"
      >
        <i slot="left-icon" class="toutiao toutiao-yanzhengma"></i>
        <template #button>
            <i class="icon icon-mima" slot="left-icon"></i>
  <van-count-down
    v-if="isCountDownShow"
    slot="button"
    :time="1000 * 5"
    format="ss s"
    @finish="isCountDownShow = false"
  />
           <van-button
    v-else
    slot="button"
    size="small"
    type="primary"
    round
    @sendSms="onSendSms"
  >发送验证码</van-button>
        </template>
      </van-field>
      <div class="login-btn-wrap">
        <van-button class="login-btn" block type="info" native-type="submit">
          登录
        </van-button>
      </div>
    </van-form>
    <!-- /登录表单 -->
  </div>
</template>
<script>
import { login } from '@/api/user'
export default {
  name: 'LoginIndex',
  components: {},
  props: {},
  data () {
    return {
      isCountDownShow: false,
      user: {
        mobile: '', // 手机号
        code: '' // 验证码
      },
      userFormRules: {
        mobile: [{
          required: true,
          message: '手机号不能为空'
        }, {
          pattern: /^1[3|5|7|8]\d{9}$/,
          message: '手机号格式错误'
        }],
        code: [{
          required: true,
          message: '验证码不能为空'
        }, {
          pattern: /^\d{6}$/,
          message: '验证码格式错误'
        }]
      }
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    async onSendSms () {
      console.log('onSendSms')
      // 1. 校验手机号
      try {
        await this.$refs.loginForm.validate('mobile')
      } catch (err) {
        return console.log('验证失败', err)
      }
      // 2. 验证通过，显示倒计时
      // 3. 请求发送验证码
    },
    async onSubmit () {
      // 1. 获取表单数据
      const user = this.user

      // TODO: 2. 表单验证

      // 3. 提交表单请求登录
      this.$toast.loading({
        message: '登录中...',
        forbidClick: true, // 禁用背景点击
        duration: 0 // 持续时间，默认 2000，0 表示持续展示不关闭
      })
      try {
        const res = await login(user)
        this.$store.commit('setUser', res.data.data)
        console.log('登录成功', res)
        this.$toast.success('登录成功')
      } catch (err) {
        console.log('登录失败', err)
        if (err.response.status === 400) {
          this.$toast.fail('手机号或验证码错误')
        } else {
          this.$toast.fail('登录失败，请稍后重试')
        }
      }
      // 4. 根据请求响应结果处理后续操作
    }
  }
}
</script>
<style scoped lang="less">
.login-container {
  .toutiao {
    font-size: 37px;
  }
  .send-sms-btn {
    width: 152px;
    height: 46px;
    line-height: 46px;
    background-color: #ededed;
    font-size: 22px;
    color: #666;
  }
  .login-btn-wrap {
    padding: 53px 33px;
    .login-btn {
      background-color: #6db4fb;
      border: none;
    }
  }
}
</style>
